msm7708-02 Oki Semiconductor, msm7708-02 Datasheet - Page 2

• Manufacturer Part Number: msm7708-02
• Description: Serial Register Interface Adpcm Codec For Telephone Recording
• Manufacturer: Oki Semiconductor

¡ Semiconductor
BLOCK DIAGRAM
AOUT+
AOUT–
AIN1–
AIN1+
GSX1
GSX2
VFRO
AIN2
SGR
SAO
SGT
PWI
1.2 kW
1.2 kW
T
T
–
+
–
+
–1
–
+
VREF
Filter
Filter
RC
RC
Converter
Converter
A/D
D/A
Generator
BPF
LPF
Noise
ATT
+
+
Power
Detect
ATT
ATT
To various units
Generator
DTMF
/Tone
Compan-
Expan-
Detect
Voice
der
der
Controller
Register
ADPCM
Decoder
Serial
ADPCM
Coder
Interface
MCU
P/S
S/P
MSM7708-02
&
EXCK
DEN
DIN
DOUT
RESET
VOXO
IS
PCMSI
PCMSO
XSYNC
BCLK
RSYNC
PCMRI
PCMRO
IR
DIO
WE
SAD
SAS
TAS
RWCK
CS1
CS2
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